The aim of the study is to examine the relationship between children's 50 m freestyle swimming performances and motor performances. There were 32 swimmers (male = 21, female = 11), who had been swimming for at least one and a half year, participated in the study. The motor performances of the participating swimmers were determined through the Dordel Koch Test (DKT) and 50 m swimming performances via the stopwatch. The Spearman Correlation Analysis was used to determine the relationship between children's motor performances and the swimming performances of 50 m. As a result of the statistical analysis, it was determined that the performance categories of DKT sub-dimensions were DKTshuttle, DKTpush-up and DKTbalance performances of the categories in which both girls and boys were the best. It was determined that male swimmers would perform DKT6min running and female swimmers would have a positive effect on the 50 m freestyle swimming performance of DKTsideward jump performances (p <0.01, p <0.05). In addition, it was determined that all the swimmers had a positive effect on the 50 m freestyle swimming performances of the DKT sideward jump, DKT6min running and DKTflexibilty performance (p <0.01, p <0.05). As a result, it can be stated that DKT6min running, which is the demonstration of aerobic performance, increased DKTflexibility and DKTsideward jump performance will contribute to 50m swimming performance.. Moreover, it can be suggested that the performance development of the upper extremity (DKTshuttle and DKTpush-up), which is required for the branch in the performance, is categorized as performance.
Providing muscular strength balance is an important factor in both improving sport performance and preventing sports injuries. The aim of the current study is to determine the leg and shoulder muscle strength ratios of elite female volleyball players. 14 elite voluntary female volleyball players were included in the study. Dominant (D) and nondominant (ND) knee and shoulder muscle strength ratios of volleyball players who participated in the study were determined by isokinetic dynamometer at 60 ° s-1 and 180 ° s-1 angular speeds. Bilateral force differences (BLD), leg hamstring / quadriceps ratio (H/Q) and shoulder external / internal ratio (E/I) averages and standard deviations were determined for the leg and shoulder muscles after the obtained data were applied to the SPSS program. Statistical analysis revealed that the H/Q ratio was low and the E/I ratio was high at 60°s-1 and 180°s-1 angular velocities. It was also been determined that the BLD of the shoulder muscles was high while the BLD of the leg muscles was at the desired level at 60°s-1 and 180°s-1 angular speeds. As a result, the volleyball players participating in the study seem to have lower leg muscle strength and lower H/Q ratio. Furthermore, although it is thought that more work is done with the upper extremity in the volleyball, it can be said that lower extremity force development should not be ignored since it is a well-known fact that the entire body is carried by the lower extremity to change rapidly.
The aim of the study is to investigate the relationship between motor performances of children aged 10-14 years and ball striking speeds made by specific technique and to determine motor performance differences between the branches. A total of 64 children (football = 22, volleyball = 19, tennis = 23) aged 10-14 years participated in the study. The motor performances of the children participating in the study were determined with the Dordel Koch Test and the ball hitting velocities with the radar instrument. The Spearman correlation analysis was used to determine the relationship between ball hitting velocities and motor performance, and the Kruskal-Wallis test was used to determine the difference between the engine performances of the branches. According to the results obtained, there was a positive correlation between the DKTstanding long jump performance of the soccer players and the shooting speeds, between the volleyball players' DKTshuttle and DKTpush-up performances and the service speeds, between the DKT shuttle and DKT push-up performances of the tennis players and service and forehand strokes p<0.01. It was determined that soccer players had higher performance than both tennis players and volleyball players in the DKTpush-up test, while football players in DKTbalance test had lower performance than both tennis players and volleyball players p <0.05. As a result, it has been found that motor performances differ according to the children's branches. In addition, it is considered that the requirements of the sports branch (active use of the lower extremity, volleyball and upper extremity in the football) are effective on motor performance.
The purpose of the study is to investigate the interaction among Physical Activity Levels (PAL), academic successes, perceived academic competency and Motor Skills (MS) of male and female students at the age of 14-17 in terms of gender variable. The PALs, perceived academic competency and academic successes were determined through International Physical Activity Questionnaire (IPAQ), Academic Competency Scale and General Academic Averages respectively. MS were tested by sit-and-reach flexibility, vertical jump, hand grip strenght and back and leg strength tests. After the data were entered into the SPSS 16,0 program, paired t-test was done in order to determine the difference between genders. Also, the interaction among PAL, academic success, academic competency and MS of male and female students were analysed through Pearson correlation analysis. As a result, it was found out that parameters related to the PAL and strength of male students are higher than those of female ones while female students’ academic success levels are better than those of male students. In addition, while no significant relation between academic success and PAL was found, a positive relation was determined the academic success and perceived academic competency of both genders.
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